Clara Lago Grau was born on 6 March 1990 in Torrelodones, Community of Madrid. Lago made her film debut at the age of 9 with the Spanish film Terca Vida (2000) (she had previously appeared in a Spanish TV series) and in the same year joined the cast of Compañeros ( Antena 3 ).
En Valencia, España, un grupo de amigos decide filmar una película de terror casera. Sin embargo, se encuentran atrapados en una situación real de horror que pone a prueba su amistad y su cordura.